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Finding the Fourth Proportional to 2,004.94, 3,007.81 and 706.51

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Solution

The fourth proportional to 2,004.94, 3,007.81 and 706.51 is: 1,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.94 : 3,007.81 = 706.51 : x
  2. Step 2: Convert to fraction form
    2,004.94/3,007.81 = 706.51/x
  3. Step 3: Cross multiply
    2,004.94x = 3,007.81 × 706.51
  4. Step 4: Simplify right side
    2,004.94x = 2,125,047.84
  5. Step 5: Solve for x
    x = 2,125,047.84/2,004.94
  6. Step 6: Final answer
    x = 1,059.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.